function-machine/mixed-ops/hard · Sada 75

8 problems
1
Input: 4 → [?] → 9, what is the rule? =
2
? → [×3] → 3 =
3
Input: 1 → [×3] → ? =
4
Input: 4 → [?] → 20, what is the rule? =
5
Input: 6 → [?] → 13, what is the rule? =
6
Input: 7 → [?] → 6, what is the rule? =
7
? → [-3] → 3 =
8
Input: 8 → [?] → 17, what is the rule? =
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